Automatic telephone system



June 20, 1961 R. H. SLEMMER ,9

AUTOMATIC TELEPHONE SYSTEM Filed 001;. 5, 1956 61 Sheets-Sheet 1 Eg. M

500 500 LINES LINES SENDER CWNECT RELAYS coo: Racism-mm. mumm av. AN)

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IN VEN TOR. ROBERT H. SLEMMER June 20, 1961 R. H. SLEMMER 2,989,592

AUTOMATIC TELEPHONE SYSTEM Filed Oct. 5, 1956 61 Sheets-Sheet 2 T0 ORB IN OTHER LINE GROUP GSM MARKE R AND CODE RECEIVER LINE IDENTIFIER OR MANUAL BOND RELAYS RSL RELAYS R SL SENDER SEN DER SDR SDR CONNECT RE LAYS GO EGT R E EAYS 4-WIRE INVENTOR. ROBERT H. SLEMMER June 20, 1961 R. H. SLEMMER 2,989,592

AUTOMATIC TELEPHONE SYSTEM Filed 001;. 5, 1956 61 Sheets-Sheet '3 F -C DIAL smn TEST TRUNK-K AUTOMATIC nsconoso L INTERCEPT Aunouucmem "muux- J o- EQUIPMENT TOLL TEST TRUNK-G OUTGOING TESTTMKI TEST DESK TRUNK-A CONN ECT RELAYS RSG RSL SENDER SENDER MAN UAL BOARD IN VEN TOR. ROBERT H. SLEMMER June 20, 1961 R. H. SLEMMER: $989,592

AUTOMATIC TELEPHONE SYSTEM Filed Oct. 5. 1956 61 Sheets-Sheet 4 ac CALL TO ES. TRUNK C(55) sT-Bc com aox cm. T0 as. TRUNK se-ac MEASURED SERVICE CALL To ES. TRUNK LcALL To rou. SPECIAL ssnvmz TRUNK BCCIOLL) GS-VNIMEASURED SERVICE CALL TO OCAL LINE 67-WWCOIN BOX CALL TO LOCAL LIN 8 BO CALL TO TOLL TRUNK 67 65-50 TICKETING TRUNK CALL TO TOLL TRUNK c 9 LOCAL LINE r F M ST FREE svcTRK. F I 2 'TICKETING 5 T TRUPK T [ESHEUMS CBT TOLLTRUNK cs cs TRT YY 'e'wchfiiwwu FROM MEASURED s nvlcs LINE fifiifggfig G7-WWCAICL1TgILgOCALAFRQIMCOrIIN c wvlfiu 'lmom 3km TR 14x8 INHER% LEL 5%. G88 BCCA To TRUNK ms.)

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T 2 TB GSTA =o CALL TOTOLL SPECIAL SERVICE ac cnu. To TOLL TRUNK NW 6090 CALL TOTDLL TRUNK AUTOMATICALLY TICKETED 4 Tou. TRUNK UUNcTon INVENTOR. ROBERT H. SLEWER 61 Sheets-Sheet 6 Filed Oct. 5, 1956 Reg. K

RegMF Reg 1 Rog DO R690 906* Nature of imffic (local,originating,tanninaflngJandem.)

L O T M INVENTOR. ROBERT H. SLEMMER B%%dr M M June 20, 1961 R. H. SLEMMER AUTOMATIC TELEPHONE SYSTEM 61 Sheets-Sheet 7 Filed Oct. 5, 1956 INVENTOR. ROBERT H. SLEMMER BYhW MIA June 20, 1961 R. H. SLEMMER AUTOMATIC TELEPHONE SYSTEM 61 Sheets-Sheet 9 Filed Oct. 5, 1956 a am '5 :22 m: 22;:

L M w mm 61 Sheets-Sheet 10 Filed Oct. 5. 1956 vu mu 2210 02.?218 \FCED.

INVENTOR. ROBERT H. SLEMMER BY h/aw 61 Sheets-Sheet 11 Filed Oct. 5I 1956 Qqu IN VEN TOR. ROBERT H. SLEMMER BY%M IM June 20, 1961 R. H. SLEMMER AUTOMATIC TELEPHONE SYST 61 Sheets-Sheet 12 Filed 001.. 5, 1956 IN V EN TOR. ROBERT H. SLEMMER June 20, 1961 R; H. SLEMMER AUTOMATIC TELEPHONE SYSTEM 51 Sheets-Sheet" 125 Filed Oct.v 5, 1956 FM Nb N TB.

95mm H54 058E INVENTOR. ROBERT H. SLEMMER BY% 7&4/%

June 20, 1961 SLEMMER 2,989,592

AUTOMATIC TELEPHONE SYSTEM Filed Oct. 5, 1956 61 Sheets-Sheet. 14

mlzr am FOURTH 6m o 2 0 U m \n SIXTH BIN IN V EN TOR. ROBERT H. SLEMME R June 20, 1961 R. H. SLEMMER AUTOMATIC TELEPHONE SYSTEM 61 Shets-Sheet 16 Filed 001;. 5, 1956 TRANSLATION INFORMATION FROM szunan II 'I l 7 H T T u INFORMATION L l l...L iOUTPUT TO SENDER INCDMING INFORMATION THIRD DIGIT SECOND DIGIT FIRST DIGIT DIGIT VALUE STRAPPING TERMNALS TRANSLATED INFOR MATION INVENTOR. ROBERT H. SLEMMER BY% /l( M/M June 20, 1961 R. H. SLEMMER AUTOMATIC TELEPHONE SYSTEM 61 Sheets-$heet 17 Filed Oct. 5, 1956 THIRD DIGIT SECOND DIGIT INVENTOR. ROBERT H. SLEMMER BY%/m%p/ M June 20, 1961 R. H. SLEMMER 2,989,592

AUTOMATIC TELEPHONE SYSTEM Filed Oct. 5, 1956 6l Shqe tS-Sheet 18 FIRST DIGIT SECOND MGIT THIRD DlGlT IN VEN TOR. ROBERT H. SLEMMER June 20, 1961 R. H. SLEMMER I 2,989,592

AUTOMATIC TELEPHONE SYSTEM Filed Oct. 5, 1956 61 Sheets-Sheet 19 TRANSlLATOR TRANSLATOR GUARD TRANZSLATOR IN VEN TOR. ROBERT H. SLEMMER TO TRUNK OR ORA June 20, 1961 R. H. SLEMMER 2,989,592

AUTOMATIC TELEPHONE SYSTEM Filed 001.. 5, 1956 61 Sheets-Sheet 2 ROBERT H. SLEMMER 

